A Network Interface Card requires specific software—a driver—to communicate with your operating system. Realtek frequently updates these drivers to patch security vulnerabilities, fix compatibility bugs with newer Windows updates, and optimize network throughput.
The most critical concern is the . A digital signature is a cryptographic stamp from the software publisher that guarantees the file's authenticity and confirms it hasn't been tampered with. An unsigned executable from a source claiming to be a hardware driver is highly unusual and often a hallmark of suspicious software. rtk nic driver installer verified